University of Illinois Urbana-Champaign

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Showing 991–1020 of 1,192 items
Thumbnail for Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1975. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for A History of the Farmington Plan
A History of the Farmington Plan
Wagner, Ralph Dinsmore